screencp.py 文件源码

def process_img(img):
    original_image=img
    processed_img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    processed_img = cv2.Canny(processed_img, threshold1=200, threshold2=300)
    processed_img = cv2.GaussianBlur(processed_img, (3,3), 0 )
    copy=processed_img
    vertices = np.array([[30, 240], [30, 100], [195, 100], [195, 240]])
    processed_img = roi(processed_img, np.int32([vertices]))
    verticesP = np.array([[30, 270], [30, 230], [197, 230], [197, 270]])
    platform = roi(copy, np.int32([verticesP]))
    #                       edges
    #lines = cv2.HoughLinesP(platform, 1, np.pi/180, 180,np.array([]), 3, 2)
    #draw_lines(processed_img,lines)
    #draw_lines(original_image,lines)

    #Platform lines
    #imgray = cv2.cvtColor(platform,cv2.COLOR_BGR2GRAY)
    ret,thresh = cv2.threshold(platform,127,255,0)
    im2, contours, hierarchy = cv2.findContours(thresh,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
    cv2.drawContours(original_image, contours, -1, (0,255,0), 3)
    try:
        platformpos=contours[0][0][0]
    except:
        platformpos=[[0]]
    circles = cv2.HoughCircles(processed_img, cv2.HOUGH_GRADIENT, 1, 20,
                               param1=90, param2=5, minRadius=1, maxRadius=3)

    ballpos=draw_circles(original_image,circles=circles)

    return processed_img,original_image,platform,platformpos,ballpos